Insize American Standard Thread Plug Gauges – No. 12-24 UNC Insize Long Handle for Bore Gauges 1980mm Series 7351-EX14 and mild stainless steels under

and mild stainless steels under both wet and dry conditions

Key Advantage: Full-form Buttress insert providing superior flank strength

and thermal stability—ideal for high-strength materials and continuous machining environments

Range 0 - 0

Point Angle: 118° (standard)

Insize American Standard Thread Plug Gauges – No. 12-24 UNC Insize Long Handle for Bore Gauges 1980mm Series 7351-EX14 and mild stainless steels underInsize 4131 121 GO NO GO Thread Plug Gauge No. 12 24 UNC, Class 2B The Insize 4131 121 GO NO GO thread plug gauge is a precision inspection tool used to verify internal No. 12 24 UNC threads in accordance with ANSI ASME B1. 2 standards. It provides a quick and reliable pass fail check to ensure threads are manufactured within the correct size, pitch, and tolerance. Supplied with both GO and NO GO gauges combined in a single handle, the 4131 121 is